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  • Another ID Request

    My wife bought me this gem a few years ago during the recession on eBay. Apparently came from a museum in Ohio or that general area. I’ve spent some time trying to match it to images here, but don’t feel confident that I know much about it.

    The shape of the backside of the hub and lack of markings almost leads me to believe this is half of a pair. Thoughts?

    8’8” or so (happy to get an accurate measurement if helpful)
    13in hub (outside)
    8in bolt diameter
    10 3/16 ish* hub (inside)
    3 3/16 ish bore
    8 bolt pattern
    367B and what looks like an eagle stamped on hub

    *sorry for the imprecise measurements. Beveled holes make it a little hard without calipers.

    Pics attached
    Attached Files
    Last edited by Davlucmac; 06-27-2018, 09:16 PM.

  • #2
    It's almost certainly half of a four-blade prop for a Liberty engine and likely used on one of the Navy flying boats developed in the late teens and early twenties. Look for a small "US" symbol stamped near the hub and/or an anchor stamp.

    The notching on the hub interlocks with corresponding notch on the other blades.

    The absence of any stamping except a production number likely means that it was rejected at some point in the manufacturing process.

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